CN102042435B - Electromagnetic pilot valve driver - Google Patents
Electromagnetic pilot valve driver Download PDFInfo
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- CN102042435B CN102042435B CN2010106120460A CN201010612046A CN102042435B CN 102042435 B CN102042435 B CN 102042435B CN 2010106120460 A CN2010106120460 A CN 2010106120460A CN 201010612046 A CN201010612046 A CN 201010612046A CN 102042435 B CN102042435 B CN 102042435B
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Abstract
The invention provides an electromagnetic pilot valve driver. The driver comprises an input module, a power supply processing module, a storage unit and a central processing unit (CPU) processing module, wherein the input module is used for receiving a power supply signal and a control signal which are transmitted by a controller of a hydraulic bracket; the power supply processing module is used for receiving the power supply signal transmitted from the input module, and converting the power supply signal into a required voltage to supply electricity to the electromagnetic pilot valve driver; the storage unit stores different configuration files corresponding to hydraulic brackets in different types, wherein the configuration fields record definitions of different output command ports; and the CPU processing module is used for receiving the control signal transmitted by the input module, receiving the type of the hydraulic bracket transmitted by the controller of the hydraulic bracket from the input module, analyzing a control command, reading the configuration file corresponding to the storage unit according to the type, and generating a corresponding control signal according to the read configuration file. By the electromagnetic pilot valve driver, the electromagnetic pilot valve group with different hydraulic bracket types can be automatically driven.
Description
Technical field
The present invention relates to the electromagnetic pilot valve actuator that a kind of electrohydraulic control system is used.
Background technique
Prop up the overfill protection problem is the major issue of puzzlement Safety of Coal Mine Production, output and efficient always.The appearance of hydraulic support electrohydraulic control system and development have fundamentally changed the underground work condition, and lay a good foundation for the efficient high yield of coal improves rapidly.Show the function schematic block diagram of separate unit hydraulic support electrohydraulic control system like Fig. 1.
Hydraulic support electrohydraulic control system comprises:
Electromagnetic pilot valve actuator 14 is installed between controller 13 and the electromagnetic priority valve group 15, is used to receive the order of controller 13, does to be converted into after the handled to drive order, sends to corresponding electromagnetic priority valve group 15 to drive the electromagnetic pilot valve events;
Electromagnetic priority valve group 15 comprises a plurality of electromagnetic priority valves; Electromagnetic priority valve breaks off according to the inner electromagnetism push rod of order control that receives or is closed; From and control corresponding hydraulicdirectional control valve conversion working state; Corresponding jack is stretched out or regains, thus realization hydraulic support corresponding action, to reach final control command.
Wherein, electromagnetic pilot valve actuator 14 is operated under the coal mine, and working environment is abominable, and operating current is big, and the action of driving is many, and is therefore very high to security of products and reliability requirement.Existing electromagnetic pilot valve actuator general utility functions are simple, and for hydraulic shield support, standing shield hydraulic support and discharge top coal formula hydraulic support can only drive one type electromagnetic priority valve group, use inconvenient.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of electromagnetic pilot valve actuator, can drive the electromagnetic priority valve group of different hydraulic support types automatically.
Electromagnetic pilot valve actuator provided by the invention comprises:
Load module 141 is used to receive power supply signal and the control signal that transports from the controller 13 of hydraulic support;
Power supply processing module 142 is used to receive the power supply signal that load module 141 transmits, and converts required voltage into and is the power supply of electromagnetic pilot valve actuator;
Storage unit stores the corresponding different configuration file of dissimilar hydraulic supports, and said configuration file is put down in writing the definition of different output order ports;
CPU puocessing module 145; Be used to receive the control signal that load module 141 transmits; Also receive the hydraulic support type that the controller 13 of the hydraulic support that load module 141 transmits transports; Parse control command, and the configuration file corresponding according to said type reading cells, affiliated corresponding control signal generated according to the configuration file that is read;
Driver module 146 is used for the control signal that CPU puocessing module 145 generates is amplified;
Output module 147, the control signal after being used for driver module 146 amplified send to the electromagnetic priority valve that will drive.
By last, according to different configuration files corresponding in the hydraulic support type reading cells that receives, can generate the control signal of required form automatically, thereby drive the electromagnetic priority valve group of different hydraulic support types automatically by the CPU puocessing module.For example, can independently select to drive hydraulic shield support according to the type of hydraulic support, the automatic control command version of driving (being configuration file) of standing shield hydraulic support or discharge top coal formula hydraulic support generates corresponding control signal.
In addition,, can controlling and driving move through CPU processing modules implement electromagnetic priority valve driver control core intelligenceization, with the master controller communication, monitoring working state, autonomous warning, opening protecting apparatus etc.
And driver module adopts integrated chip, and chip volume is little, and connecting circuit is simple, and inside is provided with protective function, can drive 42 actions altogether, and driving force is strong.
Wherein, optional said load module 141 comprises: the interface of four ports, two-port are used to transmit power supply signal, and two-port is used for transmission of control signals in addition.
By last, load module is realized easy, and cost is lower.
Wherein, also comprise: protection module 143, whether normally be used to monitor from voltage, the electric current of load module 141 or power supply processing module 142 outputs, and monitoring out control power supply processing module 142 powered-downs when improper;
Alarm module 144 is used for monitoring out output alarm signal when improper at protection module 143.
Said protection module 143 comprises: over-voltage protection module, low-voltage protection module and overcurrent protection module.
By last, can realize overvoltage, undervoltage, excess current monitoring and warning in time.
Wherein, also comprise: working state indicating module 148 is used to show the working state of CPU puocessing module 145.
By last, the working state of monitoring CPU puocessing module is convenient in time understand the program running situation easily.
Wherein, also comprise: program entry module 149 is used for the programmed sequence of operations of electromagnetic pilot valve actuator is inputed to CPU puocessing module 145.
By last, can realize easily the program upgrade in the CPU puocessing module, or the renewal of configuration file (being arranged in the situation of CPU puocessing module for memory module), edition upgrading is convenient.
Wherein, load module 141 also is used to receive the programmed sequence of operations of the electromagnetic pilot valve actuator that transports from the controller 13 of hydraulic support;
CPU puocessing module 145 also is used to receive and store the said programmed sequence of operations that load module 141 transmits.
By last, can adopt the mode that receives upper-position unit to present upgrading, edition upgrading is convenient.
In a word, by on can find out that it is strong that electromagnetic priority valve driver of the present invention has driving force, intelligent level is high, edition upgrading is convenient, work safety, characteristics such as reliable performance.
Description of drawings
Fig. 1 is the functional schematic of separate unit hydraulic support electrohydraulic control system;
Fig. 2 is an electromagnetic priority valve driver functions schematic block diagram;
Fig. 3 is the interface panel schematic representation that comprises load module 141;
Fig. 4 is the interface panel schematic representation that comprises the output module joint.
Embodiment
Show the electromagnetic pilot valve actuator 14 function schematic block diagrams that electrohydraulic control system of the present invention is used like Fig. 2, comprising: load module 141, power supply processing module 142, protection module 143, alarm module 144, CPU puocessing module 145, driver module 146, output module 147, working state display modular 148, program entry module 149.
Wherein, load module 141 is used to receive power supply signal and the control signal that transports from the controller 13 of hydraulic support.
When concrete the realization, load module 141 can be the interface of one or four ports, and the controller 13 that its this four ports are used to insert from hydraulic support connects the quad of going out, and wherein two cores are used for transmitting power supply signal, and two cores are used for transmission of control signals in addition.Show the interface panel of the interface that comprises this four port like Fig. 3, its middle port A, B are the power supply signal interface, and C, D are the control signal port.
And, the communication modes of advantage such as it is fast that the controller 13 of hydraulic support can take to have transmission speed to the communication between the electromagnetic pilot valve actuator 14, and the bit error rate is low, and transmission performance is reliable, for example I2C serial communication mode.
Power supply processing module 142 is used to receive the power supply signal that load module 141 transmits; And carry out processing such as step-down, filtering; Make it to be fit to the usage requirement of electromagnetic pilot valve actuator 14, be other modules, like power supplies such as CPU puocessing module 145, driver modules 146.
Protection module 143 is used to monitor voltage, the electric current from load module 141 or power supply processing module 142 outputs; Like faults such as overvoltage, undervoltage, excess current the time, controlled power supply processing module 142 powered-downs, and through the corresponding alarm signal of alarm module 144 outputs.
Wherein, protection module 143 can comprise over-voltage protection module, low-voltage protection module, overcurrent protection module.
When over-voltage protection module is used to monitor the power supply signal generation overvoltage fault of that transmit or power supply processing module 142 outputs of load module 141; Start overvoltage protection; Direct control power supply processing module 142 power cutoffs (or send the signal at stop total voltage to hydraulic support electrohydraulic control system); And send overvoltage through alarm module 144 and report to the police, recover normal until supply voltage, over-voltage protection module can be closed protection automatically.
The low-voltage protection module, the overcurrent protection functions of modules is similar repeats no more.
Also showing label as alarm module 144 like the interface panel schematic representation of Fig. 3 is four LED lights of 1,2,3,4, is respectively applied for indicating operating status, overvoltage, undervoltage, excess current.Wherein each lamp can adopt various colors.The LED lamp of wherein representing working state can adopt the dual-colored LED lamp, just often gives a green light, and sends out a warning during job failure.And the bright orange lamp of LED lamp of correspondence during overvoltage, the LED lamp light blue lamp of correspondence during undervoltage, LED lamp corresponding during excess current sends out a warning.
CPU puocessing module 145 is used to receive the control signal since the controller 13 of hydraulic support of coming that load module 141 transmits; Carry out analysing and processing; Parse control command; Dispose corresponding driving order (promptly configuring the instruction that will send to driver module 146 correspondences) then, send to drive and order driver module 146.
The CPU model that the present invention adopts can be PIC16F946, and internal memory is big, and function is many; Processing rate is fast, and available port is many, and totally 54 of universaling I/O ports (have used 14 ports to be connected with driver module; Specifically referring to back literary composition), so the action that may command drives is very complete, and to have preserved 3 driver version (be that different instructions is resolved in CPU inside; Specifically can be civilian referring to the back), can independently select corresponding programmed sequence of operations according to the type (providing style number to CPU puocessing module 145 by hydraulic bracket controller 13) of hydraulic support specifically referring to the back literary composition; Can drive hydraulic shield support respectively, standing shield hydraulic support and discharge top coal formula hydraulic support.
CPU puocessing module 145 also has under the fault from reset function, makes ongoing action full recovery to reset mode.CPU puocessing module 145 can also realize program upgrade through the instruction of load module 141 receptions from the renewal built-in function program of the controller 13 of hydraulic support.
While CPU puocessing module 145 is the working state of timing scan electromagnetic pilot valve actuator 14 also; Work state information with electromagnetic pilot valve actuator 14; Fault messages etc. are given the controller 13 of hydraulic pressure support through load module 141 (the control signal port in the corresponding load module 141 is a transmitted in both directions) passback, realize the information real-time communication.
Working state indicating module 148 is used to show the working state of CPU puocessing module 145, like in service, fault state, can report to the police rapidly to be implemented under the situation that CPU puocessing module 145 breaks down.
Program entry module 149 is used for CPU is advanced in the programmed sequence of operations burning of electromagnetic pilot valve actuator, realizes controling or being used for program upgrade.Realizing program upgrade with respect to mentioned above through the instruction of load module 141 receptions from the renewal built-in function program of the controller 13 of hydraulic support, is another kind of program upgrade mode.
The control signal that driver module 146 is used for CPU puocessing module 145 is seen off is carried out processing and amplifying, and this module has been used integrated drive chips, can drive 42 tunnel actions altogether, and driving force is strong, and chip volume is little, has practiced thrift the space of circuit board.Can adopt the MC1413BDG chip
Output module 147 is used for the control signal after driver module 146 amplifications is sent to corresponding electromagnetic priority valve, to carry out corresponding actions by electromagnetic priority valve.
Wherein, output module 147 can be used to connect 14 cables by the interface of 14 ports among the present invention, and wherein every cable length can be different, define also different, generation wiring error in the time of can avoiding being connected to the electromagnetic priority valve group like this.Show the panel schematic representation of each port (each promptly corresponding cable) of output module 147 like Fig. 4.Wherein, each port can be as giving a definition:
When being used to drive hydraulic shield support, 14 port definitions such as following table 1:
Table 1
When being used to drive standing shield hydraulic support, 14 port definitions such as following table 2:
Table 2
When being used to drive discharge top coal formula hydraulic support, 14 port definitions such as following table 3:
Table 3
Wherein, The definition of above-mentioned driving can (be three types of hydraulic shield supports, standing shield hydraulic support, discharge top coal formula hydraulic support through the corresponding type that drives of configuration file mode; The dissimilar different identifications that can be provided with are to distinguish) store, can be stored in wherein that (not shown, this storage unit can independently be provided with in the storage unit that a CPU puocessing module 145 can read; Also can be arranged among the CPU); Like this, the configuration file that 145 of CPU puocessing modules can be called according to the type (style number being provided to CPU puocessing module 145 by hydraulic bracket controller 13) of the hydraulic support that identifies generates required instruction.
During below with the driving hydraulic shield support is example, and working principle of the present invention is carried out brief description again.
Send the control command that rises column from the controller 13 of hydraulic support, this instruction receives through the load module 141 of electromagnetic pilot valve actuator 14, and transfers to CPU puocessing module 145; After CPU puocessing module 145 receives this order, at first analyze command context (promptly resolving instruction), confirm it is to rise the column order; Generate the instruction that will send to driver module 146 then; As according to last table 1, then be arranged on port one and send high-level control signal, expression rises the column order; This high-level control signal is carried out the small-signal processing and amplifying through driver module 146 again; Transfer to output module 147 corresponding ports 1, output signal to electromagnetic priority valve group 15, drive corresponding electromagnetic priority valve and carry out corresponding action by output module 147 corresponding ports.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. an electromagnetic pilot valve actuator is characterized in that, comprising:
Load module (141) is used to receive power supply signal and control signal that the controller (13) from hydraulic support transports;
Power supply processing module (142) is used to receive the power supply signal that load module (141) transmits, and converts required voltage into and is the power supply of electromagnetic pilot valve actuator;
Storage unit stores the corresponding different configuration file of dissimilar hydraulic supports, and said configuration file is put down in writing the definition of different output order ports;
CPU puocessing module (145); Be used to receive the control signal that load module (141) transmits; Also receive the hydraulic support type that the controller (13) of the hydraulic support that load module (141) transmits transports; Parse control command, and the configuration file corresponding according to said type reading cells, corresponding control signal generated according to the configuration file that is read; And the working state that is used for timing scan electromagnetic pilot valve actuator, and the work state information of electromagnetic pilot valve actuator and fault message given the controller (13) of hydraulic pressure support through load module (141) passback;
Protection module (143), whether from voltage, the electric current of load module (141) or power supply processing module (142) output normal, and monitoring out control power supply processing module (142) powered-down when improper if being used for monitoring;
Driver module (146) is used for the control signal that CPU puocessing module (145) generates is amplified;
Output module (147), the control signal after being used for driver module (146) amplified send to the electromagnetic priority valve that will drive.
2. electromagnetic pilot valve actuator according to claim 1 is characterized in that,
Said load module (141) comprising: the interface of four ports, two-port are used to transmit power supply signal, and two-port is used for transmission of control signals in addition.
3. electromagnetic pilot valve actuator according to claim 1 is characterized in that, also comprises:
Alarm module (144) is used for monitoring out output alarm signal when improper at protection module (143).
4. electromagnetic pilot valve actuator according to claim 1 is characterized in that,
Said protection module (143) comprising: over-voltage protection module, low-voltage protection module and overcurrent protection module.
5. electromagnetic pilot valve actuator according to claim 1 is characterized in that, also comprises:
Working state indicating module (148) is used to show the working state of CPU puocessing module (145).
6. electromagnetic pilot valve actuator according to claim 1 is characterized in that, also comprises:
Program entry module (149) is used for the programmed sequence of operations of electromagnetic pilot valve actuator is inputed to CPU puocessing module (145).
7. electromagnetic pilot valve actuator according to claim 1 is characterized in that,
Load module (141) also is used to receive the programmed sequence of operations of the electromagnetic pilot valve actuator that the controller (13) from hydraulic support transports;
CPU puocessing module (145) also is used for receiving and storing the said programmed sequence of operations that load module (141) transmits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106120460A CN102042435B (en) | 2010-12-29 | 2010-12-29 | Electromagnetic pilot valve driver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106120460A CN102042435B (en) | 2010-12-29 | 2010-12-29 | Electromagnetic pilot valve driver |
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|---|---|
| CN102042435A CN102042435A (en) | 2011-05-04 |
| CN102042435B true CN102042435B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106120460A Expired - Fee Related CN102042435B (en) | 2010-12-29 | 2010-12-29 | Electromagnetic pilot valve driver |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364057A (en) * | 2011-11-22 | 2012-02-29 | 郑州煤矿机械集团股份有限公司 | Mine hydraulic support electromagnetic pilot valve driver |
| CN102606800B (en) * | 2012-03-31 | 2013-09-11 | 绍兴文理学院 | Detection restorative method of hydraulic valve jamming and chucking faults |
| CN102606801B (en) * | 2012-03-31 | 2013-09-18 | 绍兴文理学院 | Intelligent hydraulic valve |
| CN105971652B (en) * | 2016-05-06 | 2018-02-13 | 日立楼宇技术（广州）有限公司 | Power supply outgoing management method and system |
| CN111043387B (en) * | 2019-12-13 | 2022-03-22 | 武汉景亚自控设备股份有限公司 | Automatic control method based on environment-friendly electromagnetic valve |
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| US5017051A (en) * | 1988-10-20 | 1991-05-21 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co. | Electrohydraulic control means for hydraulic self-advancing support units |
| CN101109284A (en) * | 2007-07-06 | 2008-01-23 | 北京天地玛珂电液控制系统有限公司 | Foreset control device |
| CN201221374Y (en) * | 2008-03-27 | 2009-04-15 | 北京神舟航天软件技术有限公司 | Full-automatic coal mining production line hydraulic support electrohydraulic controller |
| CN201373998Y (en) * | 2008-12-08 | 2009-12-30 | 鄂尔多斯市隆圣矿山机电有限责任公司 | Twenty two-channel solenoid valve actuator |
| CN201373999Y (en) * | 2008-12-08 | 2009-12-30 | 鄂尔多斯市隆圣矿山机电有限责任公司 | Fourteen-channel solenoid valve actuator |
| CN201934118U (en) * | 2010-12-29 | 2011-08-17 | 北京中科林重科技有限公司 | Electromagnetic pilot valve driving device |
-
2010
- 2010-12-29 CN CN2010106120460A patent/CN102042435B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5017051A (en) * | 1988-10-20 | 1991-05-21 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co. | Electrohydraulic control means for hydraulic self-advancing support units |
| CN101109284A (en) * | 2007-07-06 | 2008-01-23 | 北京天地玛珂电液控制系统有限公司 | Foreset control device |
| CN201221374Y (en) * | 2008-03-27 | 2009-04-15 | 北京神舟航天软件技术有限公司 | Full-automatic coal mining production line hydraulic support electrohydraulic controller |
| CN201373998Y (en) * | 2008-12-08 | 2009-12-30 | 鄂尔多斯市隆圣矿山机电有限责任公司 | Twenty two-channel solenoid valve actuator |
| CN201373999Y (en) * | 2008-12-08 | 2009-12-30 | 鄂尔多斯市隆圣矿山机电有限责任公司 | Fourteen-channel solenoid valve actuator |
| CN201934118U (en) * | 2010-12-29 | 2011-08-17 | 北京中科林重科技有限公司 | Electromagnetic pilot valve driving device |
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